The Boston Celtics added a familiar face to Joe Mazzulla’s coaching staff on Sunday.
Shams Charania of The Athletic and Stadium reports that Sam Cassell is joining the organization.
Sam Cassell has agreed to join the Boston Celtics coaching staff under Joe Mazzulla, sources tell @TheAthletic @Stadium.
— Shams Charania (@ShamsCharania) June 4, 2023
Cassell played just a blink of his 15-year NBA career in Boston, but it was a pivotal stretch, helping contribute to the 2008 NBA championship team.